Watch Sonic Boom Season 2 Episode 40 Online. Best and Free Online streaming for Sonic Boom TV Show. We picked the best sites to stream s02e40. Simply pick a site below and click "Watch Now!" button next to it. Some of the links may be broken, please upvote the working and good links so other users see those links for Sonic Boom Season 2 Episode 40 s02e40 at the top of the list.